Combined charging unit and set of electric toothbrushes



FIG. 1 is a perspective view of a combined charging unit and set of electric toothbrushes showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a side view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a combined charging unit and set of electric toothbrushes, as shown and described. 